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GE ZIS 360DM, Technical Service Manual

The GE ZIS 360DM user manual is a comprehensive Technical Service Manual packed with essential information and guidelines for operating and maintaining the product efficiently. Easily accessible on our website, this manual is available for free download, ensuring hassle-free access to valuable insights directly from manualshive.com.

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– 30 –

GEA01195

Evaporator Fan Tach.

J2

Pin 1

Personality Input 5

Pin 2

Fan Common

Pin 3

Evaporator Fan

Pin 4

Condenser Fan

Pin 5

FF Fan

Pin 6

QuickChill D

J5

Pin 1

QuickChill Damper1 -

Pin 2

QuickChill D

Pin 3

QuickChill Damper2 -

Pin 4

+5V

Pin 5

QuickChill Thermistor

Pin 6

QuickChill Fan

Pin 7

Fan +12V

Pin 8

FF1 Thermistor

J1

Pin 1

FF2 Thermistor

Pin 2

FZ Thermistor

Pin 3

Evaporator Thermistor

Pin 4

+5V

Pin 5

Personality Input 1

Pin 6

Personality Input 2

Pin 7

Personality Input 3

Pin 8

Personality Input 4

Pin 9

Damper - Blue

J3

Pin 1  

Damper - White

Pin 2  

Damper - Red

Pin 3  

Damper - Yellow

Pin 4  

FF Encoder Select

Pin 5  

Comm. Tx/Rx

J4

Pin 1

Comm. +12V

Pin 2

Comm. Common

Pin 3

Discrete Disp. Input 1

Pin 4

Discrete Disp. Input 2

Pin 5

FZ Encoder Select

Pin 6  

Encoder Signal

Pin 7  

Encoder Signal

Pin 8  

Encoder Signal

Pin 9  

Encoder Signal

Pin 10

Low Voltage DC

120 VAC

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Summary of Contents for ZIS 360DM

Page 1: ... 9091 03 02 MODEL SERIES TECHNICAL SERVICE GUIDE GE Consumer Home ServicesTraining Monogram Side By Side Refrigerators With Electronic Controls ZIS360NM ZIS420NM ZIS480NM ZIS_360DM ZIS_420DM ZIS_480DM GEA01265 ...

Page 2: ...personal injury disconnect power before servicing this product If electrical power is required for diagnosis or test purposes disconnect the power immediately after performing the necessary checks RECONNECT ALL GROUNDING DEVICES If grounding wires screws straps clips nuts or washers used to complete a path to ground are removed for service they must be returned to their original position and prope...

Page 3: ...rost 20 Normal Operating Characteristics 21 Abnormal Operating Characteristics 21 Liner Protection Mode 21 Defrost Heater 22 Evaporator Thermistor 23 Defrost Overtemperature Thermodisk 23 Control System 24 Touch Panel and Temperature Control Board 24 Main Control Board 25 Main Control Board Locator Tables 26 Thermistors 31 Climate Control Drawer 32 Strip Circuit 32 Component Locator View 33 Operat...

Page 4: ... 50 Compressor 50 Condenser 50 Condenser Loop 50 Dryer 51 Evaporator 51 Refrigerant Charge 51 Diagnostic Mode 52 Diagnostic Flowcharts 53 Fresh Food Warm Freezer Normal 53 Fresh Food Too Cold Freezer Normal 54 Fresh Food Warm Freezer Warm 55 Freezer Warm Fresh Food Normal 56 Compressor Not Running 57 Refrigerator Dead No Sound No Cooling 58 Damper Door Does Not Operate 59 Heavy Frost on Evaporator...

Page 5: ... possessing adequate backgrounds of electrical electronic and mechanical experience Any attempt to repair a major appliance may result in personal injury and property damage The manufacturer or seller cannot be responsible for the interpretation of this information nor can it assume any liability in connection with its use REFRIGERATION SYSTEM Compressor 983 Btu hr Minimum Compressor Capacity Vacu...

Page 6: ...nual is located behind the grille panel at the top of the refrigerator When done return the mini manual to its original location for future use Brand Product Z Monogram Style I Built In Configuration S Side by Side Color S Stainless B Black W White Blank Trim Model Size 480 48 Inches Wide Engineering A Initial Design B 1st Revision C 2nd Revision D 3rd Revision Etc Door Type F Flat R Right L Left ...

Page 7: ...L A L D L F L G L H L L L M L R L S L T L V L Z 7 0 0 2 M A M D M F M G M H M L M M M R M S M T M V M Z 8 0 0 2 R A R D R F R G R H R L R M R R R S R T R V R Z 9 0 0 2 S A S D D F S G S H S L S M S R S S S T S V S Z 0 1 0 2 T A T D T F T G T H T L T M T R T S T T T V T Z 1 1 0 2 V A V D V F V G V H V L V M V R V S V T V V V Z 2 1 0 2 Z A Z D Z F Z G Z H Z L Z M Z R Z S Z T Z V Z Z 3 1 0 2 A A A D ...

Page 8: ...e 1 Machine Compartment Figure 2 Evaporator Top of Freezer Condenser Fan Compressor Dryer Master Light Switch Sabbath Switch Overload PTCR Relay Evaporator Evaporator Thermistor Evaporator Overtemperature Thermodisc TOD Defrost Heater ...

Page 9: ...d Capacitor Center of Machine Compartment Figure 4 Evaporator Fan Figure 5 Light Circuit Transformers Capacitor Water Valve Evaporator Fan Motor Evaporator Fan Connector Circuit Breakers Drawer Under Center of Unit Transformers ...

Page 10: ...reezer Door Switch Auger Drive Airflow Grille Icemaker Cube Solenoid Temperature Overload Device TOD Freezer Thermistor Fresh Food Door Switch Temperature Touch Pad Damper Water Filter Fresh Food Thermistors Climate Control Drawer Dampers Temperature Overload Device TOD Lower Fresh Food Lights ...

Page 11: ...ee photo 2 Remove the wire guard and rocker switch panel 3 Remove the condenser baffle 4 Loosen 2 7 16 in track bolts from the front of the chassis track 5 Remove 2 7 16 in rear track bolts and the spacers under the rear of the chassis track 6 Pull the chassis forward until it reaches the stops in the tracks working the refrigeration tubing as you pull the chassis out Note When sliding the chassis...

Page 12: ...e the placement of spacers and washers for reassembly 2 Remove 3 8 in hex screws 4 and hinge from the underside of the cabinet Door Closure Mechanism The door closure mechanism uses a spring to provide positive door closure from approximately 60 degrees The door closure mechanism actuator arm has a spring attached to the rear and is supported by guide rollers on either side of the base channel The...

Page 13: ...nel 2 Soak the new gasket in warm water to make it pliable 3 Push the barbed edge of the gasket into the retainer channel Hex Nut Wheel Leveling Leg Stripe Handle Side of Door GEA01268 Hinge Door Stop 5 16 Bolt Hinge Bushing Base Channel Spacer 3 Remove T 27 Torx screws 4 and hinge from the bottom of the door Rollers and Leveling This model has 4 point leveling provided by adjustable rollers on th...

Page 14: ...penser approx 2 inches Removal 1 Remove the bezel from the outside of the freezer door Note On stainless steel models the front panel must be removed Remove screws from top bottom and hinge side Pull out on hinge side 2 Remove the screw from the bottom of the control panel Lift up and pull the bottom of the panel out Disconnect the connectors and remove the control panel 3 Remove 4 screws and the ...

Page 15: ...dispenser The icemaker water line is routed from the water valve through the machine compartment to the icemaker The icemaker fill tube is also plastic To Replace the Water Valve Note Some water may leak from the water supply line and valve when they are disconnected 1 Shut off the water supply to the unit 2 Open the grille panel 3 Remove 1 Phillips screw attaching the water valve to the filter br...

Page 16: ...h chilled air from the evaporator into the fresh food compartment To Remove the Damper 1 Remove the light cover Airflow 3 Remove the Styrofoam section covering the damper 4 Disconnect the damper wiring connector 5 Carefully pull the damper out of the mullion and remove 2 Remove 4 Phillips screws and the light assembly GEA01269 Top Bottom Freezer Side Fresh Food Side Return Evaporator Front Front B...

Page 17: ...n 1 J9 Defrost Heater Pin 1 J11 Line Evaporator Fan Tach J2 Pin 1 Personality Input 5 Pin 2 Fan Common Pin 3 Evaporator Fan Pin 4 Condenser Fan Pin 5 FF Fan Pin 6 QuickChill Damper1 J5 Pin 1 QuickChill Damper1 Pin 2 QuickChill Damper2 Pin 3 QuickChill Damper2 Pin 4 5V Pin 5 QuickChill Thermistor Pin 6 QuickChill Fan Pin 7 Fan 12V Pin 8 FF1 Thermistor J1 Pin 1 FF2 Thermistor Pin 2 FZ Thermistor Pin...

Page 18: ...ency being applied to the motor Multiply this number by 15 60 seconds divided by 4 poles For example a frequency measurement of 200 Hz multiplied by 15 would show a fan speed of 3000 rpm 15 x 200 3000 Temperature may cause some fan speed variation Fan speed may vary 5 depending on the temperature with higher temperatures causing slightly higher speeds The evaporator fan motor uses a 4 wire connect...

Page 19: ...er for internal controller b Yellow to white power for fan Observe circuit polarity Motors can be run for short periods using a 9 volt battery Connect the white wire to the negative battery terminal only Connect the red and yellow wires to the positive battery terminal GEA01196 Pin 1 J8 Compressor Pin 1 J9 Defrost Heater Pin 1 J11 Line Evaporator Fan Tach J2 Pin 1 Personality Input 5 Pin 2 Fan Com...

Page 20: ...rews and slide the icemaker drive motor assembly forward Disconnect the wiring connector and remove the assembly 4 Remove 2 screws and inner section of left ice bucket track 5 Remove 2 screws and wiring cover 6 Remove 6 screws and evaporator fan cover Screws Icemaker Drive Motor Assembly Screws Screws Wiring Cover Screws Evaporator Fan Cover ...

Page 21: ...in control board If the resistor on the main control board is burnt you must replace the fan and the board see photopage15 The condenser fan is mounted with screws to a fan shroud and mounting bracket in back of the condenser To Remove the Fan 1 Extend the chassis see Machine Compartment in the Cabinet chapter 2 Pull the blade off the motor shaft 3 Cut the wire tie securing the fan wiring to the f...

Page 22: ...essor run time between defrosts will be reduced to as little as 8 hours Adaptive Defrost Pre Chill Operation When the main control board determines that defrost is necessary it will force the refrigerator into a continuous cool mode pre chill During pre chill the freezer temperature may be driven below the set point However the fresh food temperature will be regulated by the evaporator fan running...

Page 23: ...r and condenser fan should always run at the same time Liner Protection Mode The liner protection mode will activate if either of the doors has been open for 3 minutes This mode will start the evaporator fan on high speed This mode is controlled by 2 timers Timer 1 monitors door open time A 3 minute door open count begins when the door is opened If 3 minutes elapse before the door is closed the li...

Page 24: ... Remove 8 screws and freezer ceiling panel 3 Remove Styrofoam insulation from the bottom of the evaporator drain pan 4 Loosen evaporator drain hose clamp 5 Lower left side of evaporator drain pan and slide right side out of drain hose and remove 6 Disconnect the heater wiring 7 Remove 2 screws from the left and right heater fasteners 8 Slide the heater toward the front of the freezer compartment a...

Page 25: ...ost time does not include dwell period Defrost Overtemperature Thermodisc The defrost overtemperature thermodisc bimetal switch is mounted on the evaporator and provides overtemperature protection during defrost This thermostat will open at 60 F and will close at 45 F Note The main control board will not know if the heater does not come on due to a broken heater open defrost overtemperature thermo...

Page 26: ...s screws and the light assembly Note Temperature control assembly is mounted on 3 slotted fasteners Fasteners do not need to be loosened or removed 3 Cut the RTV around the edge of the temperature control assembly Note Old RTV must be removed from the inside of the fresh food compartment and from the temperature control assembly RTV 102 must be put in place when the temperature control panel is in...

Page 27: ...n 1 Damper White Pin 2 Damper Red Pin 3 Damper Yellow Pin 4 FF Encoder Select Pin 5 Comm Tx Rx J4 Pin 1 Comm 12V Pin 2 Comm Common Pin 3 Discrete Disp Input 1 Pin 4 Discrete Disp Input 2 Pin 5 FZ Encoder Select Pin 6 Encoder Signal Pin 7 Encoder Signal Pin 8 Encoder Signal Pin 9 Encoder Signal Pin 10 Pin 1 J12 Monogram Drain Pan Heater Pin 9 J7 Neutral Pin 8 NIC Pin 7 FZ Door Switch Pin 6 FF Door ...

Page 28: ... o t s i m r e h t s i h T n o i t c u d e r e g a t l o v n r u t e r g n i s u a c s e s a e r c n i e u l a v e v o b a s i e r u t a r e p m e t e h t n e h w f f o d n a e u l a v t s o r f e d w o l e b s i e r u t a r e p m e t n e h w t s o r f e d g n i r u d n o o t n i s e o g r o t a r e g i r f e r f i e n i m r e t e d o t p u r e w o p g n i r u d d a e r o s l a s i e u l a v s i h...

Page 29: ...e c e R r o o d s n o i t a l u c l a c t s o r f e d e v i t p a d a s n o i t a l u c l a c e d o m n o i t c e t o r p r e n i l l o r t n o c n a f r o t a r o p a v e r o f d e s o l c r o o d n i d e s o l c e b t s u m h c t i w S s n o i t c n u f k c o l r e t n i r o o d e m o s d n a s n o i t a l u c l a c m r a l a e z i g r e n e o t t e n g a m r o o d t c u d d n a t h g i l r e s ...

Page 30: ... o t n o i t a m r o f n i s i h t s e s u d n a d e z i g r e n e e v i t p a d a n o n S N O I T I N I F E D N I P D R A O B L O R T N O C R O T C E N N O C N I P T U P N I T U P T U O N O I T C N U F 1 1 J 1 C A V s l a n i m r e t 1 L d e h c t i w s r o f l a i t n e t o p t u p n i C A V 0 2 1 s t i u c r i c d r a o b l o r t n o c o t e g a t l o v 1 L t n a t s n o C S N O I T I N I F E D...

Page 31: ...2 1 9 n i p 7 J o t 3 n i p 7 J C A V 4 d e R r o o d r e z e e r F h c t i w s t u p n I 0 2 1 9 n i p 7 J o t 4 n i p 7 J d e s o l c r o o d Z F C A V 5 t e l o i V l l i h C k c i u Q r e t a e H t u p t u O 0 2 1 9 n i p 7 J o t 5 n i p 7 J C A V 6 e u l B r o o d d o o f h s e r F h c t i w s t h g i l t u p n I 0 2 1 9 n i p 7 J o t 6 n i p 7 J n e p o r o o d F F C A V 7 w o l l e Y t h g ...

Page 32: ... r e s n e d n o C t u p t u O C D V 4 3 1 3 n i p o t 5 n i p 2 J e l g n i s s i n a f r e s n e d n o c d e e p s 6 k c a l B n a f n a p n i a r D d n u o r G d n u o r g C D V 7 k c a l B n a f l l i h C k c i u Q n o m m o C C D V 2 1 7 n i p o t 8 n i p 2 J 8 d e R e g a t l o v y l p p u s n a F C D V 2 1 t u p t u O C D V 2 1 3 n i p o t 8 n i p 2 J d r a o B l o r t n o C n i a M e d i S...

Page 33: ...0 1 0 5 k 0 1 Ω 0 2 8 6 k 2 6 Ω 0 3 6 8 k 4 Ω 0 4 4 0 1 k 6 2 Ω 0 5 2 2 1 k 8 1 Ω 0 6 0 4 1 k 2 1 Ω t r a h C t n i o P t e S e r u t a r e p m e T d o o F h s e r F l o r t n o C g n i t t e S d o o F h s e r F r o t s i m r e h T e g n a R e r u t a r e p m e T r e z e e r F l o r t n o C g n i t t e S r o t s i m r e h T r e z e e r F e g n a R e r u t a r e p m e T m u m i n i M m u m i x a M ...

Page 34: ...trol Drawer compartment is sealed to reduce the effect that the drawer temperature has on the rest of the refrigerator When the drawer features are not being used the temperature inside the drawer will be the same as the fresh food compartment Strip Circuit DAMPER THERMISTOR BLUE J7 HEATER 5 VIOLET ORANGE ORANGE ORANGE GREEN AC POWER CORD BROWN BROWN EMI RF FILTER HEATER 1 DATA 3 COM J4 J5 6 5 2 1...

Page 35: ...n with top panel moved out Component Locator View Fan in Fan Housing Thermistor in Fan Housing Air Diffuser Dampers Heater in Fan Housing Top Panel Mullion Control Board in Top Panel Heater Connector 9 Pin Connector Fan Connector Light Connector ...

Page 36: ... approximately 4 seconds after a Select Temp mode has been selected After approximately 4 seconds the actual temperature of the drawer will be displayed Refer to the Temperature Table for drawer temperatures Express Chill This feature cools items by opening the dampers and circulating air from the freezer compartment throughout the drawer The fan will be on at all times during Express Chill The Cl...

Page 37: ...r control board If the actual temperature that is displayed is incorrect the thermistor and main control board are suspect If the temperature associated with the Select Temp mode is incorrect the Climate Control Drawer control board is faulty Note 1 Climate Control Drawer may take up to 1 hour and 45 minutes to achieve temperature with no load in drawer except metal tray and minimal or no door ope...

Page 38: ... control board and the thermistor is used by the main control board to control the dampers fan and heater Actual drawer temperature will be displayed in Select Temp mode only The Climate Control Drawer display will show the selected temperature for approximately 4 seconds after a Select Temp mode has been selected After approximately 4 seconds the actual temperature of the drawer will be displayed...

Page 39: ...ng between Climate Control Drawer control board and main control board NO Replace Climate Control Drawer control board YES NO Disconnect connector from Climate Control Drawer control board Check for 12 VDC at the Climate Control Drawer control board connector between terminals 3 and 5 12 VDC present Replace Climate Control Drawer control board If problem is not corrected replace the main control b...

Page 40: ...e air diffuser from fan housing Screws Remove Screws Loosen Flat Surface Tabs Air Diffuser Turn on Express Chill Check for 12 VDC at main control board between J2 8 and J2 7 12 VDC present Check communication using diagnostic mode Communication pass NO Replace main control board YES Open circuit between J4 1 and Climate Control Drawer control board terminal 1 Faulty Climate Control drawer control ...

Page 41: ...mper based on input from the Climate Control Drawer control board and the thermistor After selecting Express Thaw 12 VDC are output from the main control board for approximately 4 seconds to close the damper This voltage can be measured at the following points Main control board J5 2 to J5 1 with positive red test meter lead on J5 2 9 pin connector behind Climate Control Drawer Check from gray wir...

Page 42: ...ect the Climate Control Drawer control board is faulty All thermistors can be checked using Diagnostic Mode Heater The 120 VAC heater is located in the fan housing The fan housing must be removed from the fresh food compartment to access the heater The heater is controlled by the main control board The main control board turns the heater on and off based on input from the Climate Control Drawer co...

Page 43: ...he housing Note When installing the diffuser onto the fan housing the tabs must be on the bottom and the flat surface must be on top Incorrect installation will prevent the drawer from cooling and warming properly Note All thermistors can be checked using Diagnostic Mode Refer to the Thermistor Values chart for resistance values Thermistor resistance can be checked at 2 places J5 5 to J5 6 at main...

Page 44: ...ing Air also moves over the top of the drawer into the Climate Control Drawer compartment not into the FF compartment and then out of the compartment via the top damper With the dampers closed the fan moves air from the fan housing through the diffuser to the drawer Air returns from the drawer through the diffuser to the fan compartment Shown with top panel and drawer removed Shown with top panel ...

Page 45: ... 43 Notes ...

Page 46: ...s Diagnostic Check for 120 VAC at transformer Measure votlage at transformer connector between red wire FZ or violet wire FF and orange wire Are 120 VAC measured YES Check the following 1 FF or FZ door switch 2 Sabbath switch 3 Circuit breaker located by the transformers in tray under the FF compartment 4 Thermal overload FZ located at bottom of FZ Compartment FF located at bottom of FF light towe...

Page 47: ...ior lights Temperature Overload Device TOD A temperature overload device is wired in series with both the fresh food and freezer compartment transformers If the interior lights should reach excessive temperatures due to a door being open for an extended period the corresponding TOD will open the circuit that supplies 120 VAC to the transformer The TOD will open at 150 F and close at 90 F The freez...

Page 48: ...ft up on the front of the tray and pull out Light Bulb Replacement WARNING Halogen lights generate intense heat Be certain power is off and lamps have sufficient time to cool before attempting to replace Note The Styrofoam protector in the light lens is for shipping and must be removed prior to installation Power to the lamps can be turned off at the Sabbath switch located behind the grille panel ...

Page 49: ...ht housing Then press the sides until the tabs pop into the slots in the housing WARNING The light shield must be replaced or the heat from the bulb could damage the refrigerator Type 2 Bulb Replacement WARNING Halogen lights generate intense heat Be certain power is off and lamps have sufficient time to cool before attempting to replace 1 Set the master light switch to the OFF position and allow ...

Page 50: ...ld 11 Remove the filter bypass plug and replace with the water filter cartridge Reset the Sabbath switch to the ON position Climate Control Drawer Type 2 Bulb Replacement WARNING Halogen lights generate intense heat Be certain power is off and lamps have sufficient time to cool before attempting to replace 1 Set the master light switch to the OFF position and allow the lamps to cool 2 To access th...

Page 51: ... 49 Note Climate Control Drawer is referred to as Quick Chill Schematic K AUGER 2Ω 39Ω CUBE DISPENSER ICEMAKER WATER VALVE 1330 ohms 39 ohms 330 ohms ...

Page 52: ... tube that is connected to the inlet of the condenser loop In a normal home environment there is no need for routine condenser cleaning However in environments that may be particularly dusty or greasy the condenser should be cleaned periodically for efficient refrigeration operation An ordinary appliance brush should be all that is needed Functionally the condenser does the same job as previous mo...

Page 53: ... Remove the screws securing the evaporator to the cabinet Caution Protect wiring from heat during desoldering and resoldering 7 Desolder the capillary tube from the evaporator 8 Desolder the suction line 9 Remove the evaporator 10 Using a file score the capillary tube just above the old solder and break the solder covered section off This will help prevent the capillary tube from becoming plugged ...

Page 54: ...P d n u o f s i m e l b o r p s n a e m y a l p s i d Z F n o F 0 6 l o r t n o c e r u t a r e p m e t I M H t s e T f l e S e t a n i m u l l i l l i w s t n e m g e s c i r e m u n d n a s D E L l l A d e s s e r p s i d a p w a h T s s e r p x E n e h W f f o n r u t l l i w s D E L w a h T s s e r p x E d e s s e r p s i d a p l l i h C s s e r p x E n e h W f f o n r u t l l i w s D E L l l ...

Page 55: ...en immediately after reconnecting power Go to Damper Door Not Operating flowchart NO Yes Is the airflow within the fresh food normal Look for blockage at vents or heavy frost on evaporator cover NO Go to Heavy Frost on Evaporator flowchart Remove blockage from vent area Blockage Check sealed system Does sealed system check OK Unit tests OK Run checks again Reset electronics by disconnecting power ...

Page 56: ...e above 55 F to avoid low ambient condition Room temperature above 55 F Control settings OK Advise consumer of refrigeration installation requirements NO Is the damper closed YES NO Verify thermistors are within proper range using thermistor values chart Is the resistance within proper range YES Check wiring connections If OK replace thermistor NO Unit tests OK Run checks again Reset electronics b...

Page 57: ...sconnecting power for 15 seconds Look for usage problem Repair sealed system NO NO YES YES YES YES YES YES Check control settings and temperatures Food at setting of 37 F and 0 F with no door openings for 12 hours should be Fresh food 34 F to 42 F Freezer 8 F to 6 F Control settings OK Look for blockage at vents or heavy frost on evaporator cover Remove blockage from evaporator cover vent area Blo...

Page 58: ...for blockage at vents or heavy frost on evaporator cover NO Blockage Go to Heavy Frost on Evaporator flowchart Check sealed system Does sealed system check OK YES Repair sealed system Remove blockage from vent area NO YES Unit tests OK Run checks again Reset electronics by disconnecting power for 15 seconds Look for usage problem YES Is the evaporator fan running Go to Evaporator Fan Not Running f...

Page 59: ...0 F Is the compressor running Adjust setting and allow 24 hours to stabilize Check for 120 VAC at connector J7 9 orange wire to terminal J8 white wire Do you have 120 VAC NO Direct test the compressor Did it start YES Replace main control board NO Check wiring to compressor overload and relay YES Replace compressor NO YES ...

Page 60: ...ircuit Go to Evaporator Fan Not Running flowchart or Condenser Fan Not Running flowchart YES Unplug J4 connector from main control board Check for 12 VDC at control board pins J4 2 to J4 3 Voltage present NO Unplug the temperature control harness Does the refrigerator start once the harness is unplugged YES Replace temperature control board YES Replace main control board NO Verify thermistors are ...

Page 61: ...within range Replace main control board YES YES Check wiring connections If OK replace thermistor NO Unplug harness connector at damper Measure resistance between the blue and red wires and between the white and blue wires Do you measure approximately 420 ohms for both readings NO Replace damper NO Unplug J3 connector from main control board Reset electronics by disconnecting power for 15 seconds ...

Page 62: ...J7 pin 9 Are there approximately 37 ohms Always check door ajar customer usage numerous door openings etc Check wiring harness defrost heater and defrost overtemperature thermostat NO Verify thermistors are within proper range using thermistor values chart Is resistance within range Replace main board Check wiring connections If OK replace thermistor NO YES YES ...

Page 63: ... connector check for 13 VDC from the red to white wire and 8 13 VDC from the yellow to white wire Is the voltage correct for both Replace evaporator fan motor Unplug J2 connector on the main control board Check for 13 VDC between pins J2 8 and J2 3 and 8 13 VDC between pins J2 4 and J2 3 Is the voltage correct for both YES NO Repair wiring between main control board and evaporator fan motor YES Re...

Page 64: ...n connector check for 13 VDC from the red to white wire and 11 13 VDC from the pink to white wire Is the voltage correct for both Replace the condenser fan motor YES Unplug J2 connector on the main control board Check for 13 VDC between pins J2 3 and J2 8 and 11 13 VDC between pins J2 3 and J2 5 Is the voltage correct for both NO Replace main control board YES NO Repair wiring between main control...

Page 65: ...warranty is extended to the original purchaser and any succeeding owner for products purchased for ordinary home use in the 48 mainland states Hawaii and Washington D C In Alaska the warranty is the same except that it is LIMITED because you must pay to ship the product to the service shop or for the service technician s travel costs to your home All warranty service will be provided by our Factor...

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